39 lines
1.2 KiB
Plaintext
39 lines
1.2 KiB
Plaintext
BOM for the Inline Filament Diameter Estimator (lowcost)
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:::Printed parts:::
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1 Block
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1 Lever
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preferably printed in PETG, ABS or ASA as PLA may creep significantly over time
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:::Electronics:::
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1 SMT control board (populated)
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or
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1 THT control board + components (see Eagle files)
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Suitable programmer for ATTiny85 (eg USBtinyISP)
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1 SS495A linear hall effect sensor (or comparable)
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:::Fasteners:::
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2 M3x8 screws (eg ISO 4762 M2x8)
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1 3x24mm pin (eg DIN 7 3x24mm, for mating lever to the block)
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1 3x16mm pin (eg DIN 7 3x16mm, for roller bearing in lever)
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1 3x18mm pin (eg DIN 7 3x18mm, for idler bearing in block)
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6 M3 threaded inserts
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Pins may be replaced with screws or grubscrews, which may result in decreased precision
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:::Mechanical / other:::
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1 6x2mm magnet (eg N35)
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4 623 bearings (preferably 623-2Z / 623-ZZ)
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1 Ballpoint pen spring (or other soft 4mm spring)
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Short length of PTFE tube
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:::Calibration accessories:::
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1 1.5mm drill bit
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1 1.7mm or 1.8mm drill bit
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1 2mm drill bit
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Calipers for verifying drill bit shaft diameter
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Drill bits may be replaced with similar diameters. Measured diameter is to be written to firmware lookup table. |